Home / 4,277.64-6,415.68-1,157.88

Finding the Fourth Proportional to 4,277.64, 6,415.68 and 1,157.88

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Solution

The fourth proportional to 4,277.64, 6,415.68 and 1,157.88 is: 1,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.64 : 6,415.68 = 1,157.88 : x
  2. Step 2: Convert to fraction form
    4,277.64/6,415.68 = 1,157.88/x
  3. Step 3: Cross multiply
    4,277.64x = 6,415.68 × 1,157.88
  4. Step 4: Simplify right side
    4,277.64x = 7,428,587.56
  5. Step 5: Solve for x
    x = 7,428,587.56/4,277.64
  6. Step 6: Final answer
    x = 1,736.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.